.content{
	width: 100%;
	text-align: center;
}
.game-box{
	display: inline-block;
}
.site{
	display: table;
}
.site .row{
	display: table-row;
}
.site .row .col{
	display: table-cell;
	width: 20px;
	height: 20px;
	border: 1px solid red;
}